JP2020124163A - Liquid fertilizer supply device - Google Patents

Abstract

To provide a liquid fertilizer supply device capable of supplying a liquid fertilizer in a uniform state to a whole farm field.SOLUTION: A liquid fertilizer supply tool 21 on a liquid fertilizer supply device 11 for supplying at a prescribed flow rate, a liquid fertilizer is arranged inside of a cylindrical body 22 whose diameter is larger than an outer diameter of the liquid fertilizer supply tool and whose height is higher than a height of the liquid fertilizer supply tool. The cylindrical body comprises on an upper part of the liquid fertilizer supply tool, a partition plate 23 for partitioning the cylindrical body into vertical spaces, a liquid fertilizer storage part 25 is arranged on an upper part of the partition plate. The partition plate comprises a liquid fertilizer flow-down pipe 26 for flowing the liquid fertilizer stored in the liquid fertilizer storage part to the liquid fertilizer supply tool. An outer surface of the cylindrical body comprises a flow rate setting part 27 for setting a flow rate of the liquid fertilizer supplied from the liquid fertilizer supply tool.SELECTED DRAWING: Figure 1

Description

The present invention relates to a liquid fertilizer supply device, and more particularly to a liquid fertilizer supply device for efficiently supplying liquid fertilizer when pouring and fertilizing a field (paddy field).

As a fertilization method for performing fertilization work on a field where paddy rice is cultivated, a pouring fertilization method is known in which fertilizer is applied on a water stream flowing into the field from a water mouth in a state where the water depth is low. As a liquid fertilizer supply device used when performing this pouring fertilizer, a liquid fertilizer supply device having a structure for supplying a fixed proportion of liquid fertilizer into the water flowing into the field from the water outlet is used (for example, See Patent Document 1.).

JP, 2017-77210, A

In the liquid fertilizer supply device described in Patent Document 1, a liquid fertilizer storage tank and a connection pipe for storing the liquid fertilizer and supplying the liquid fertilizer toward the liquid fertilizer supply device when performing fertilizer application to a field are provided. Since it was necessary to separately prepare the connection pipe and attach and detach it, it took time and effort to install and withdraw the liquid fertilizer supply device, and there was also a cost problem.

Therefore, the present invention provides a liquid fertilizer supply device capable of improving workability and reducing equipment cost by integrating a liquid fertilizer supply device capable of supplying a constant amount of liquid fertilizer with a liquid fertilizer storage tank or a connection pipe. The purpose is to

In order to achieve the above-mentioned object, the liquid fertilizer supply device of the present invention mixes liquid fertilizer supplied via a liquid fertilizer supply device capable of setting the supply amount of liquid fertilizer with water supplied from a water supply source. In the liquid fertilizer feeder for supplying to the field, the liquid fertilizer feeder is arranged inside a cylindrical body having a diameter larger than the outer diameter of the liquid fertilizer feeder and higher than the height of the liquid fertilizer feeder, In the tubular body, a partition plate for partitioning the tubular body into upper and lower parts is provided on the upper part of the liquid fertilizer feeder, and a liquid fertilizer storage part for storing the liquid fertilizer is provided in the tubular body above the partition plate. The partition plate is provided with a liquid fertilizer flow-down pipe that causes the liquid fertilizer stored in the liquid fertilizer reservoir to flow down to the liquid fertilizer feeder, and the outer surface of the tubular body is supplied from the liquid fertilizer feeder. It is characterized in that a flow rate setting unit for setting the flow rate of the liquid fertilizer to be used is provided.

Furthermore, the liquid fertilizer supply apparatus of the present invention includes a liquid fertilizer mixing water supplier that supplies liquid fertilizer mixing water in which the water and the liquid fertilizer are mixed toward the field, and the liquid fertilizer mixing water supply The water supply pipe is arranged from the water supply source toward the field, and the liquid fertilizer supplied from the liquid fertilizer supply device at the base of the water supply pipe flows into the water supply pipe. It is characterized by having a liquid fertilizer supply part to be made to have, and a liquid fertilizer mixture water supply hole which is provided at a plurality of positions on the tip end portion and the side surface of the water supply pipe to make the liquid fertilizer mixture water flow out to the field. ..

Further, as a liquid fertilizer mixing water supplier, a water supply pipe arranged from the water supply source in the direction of the field and a pair of water supply pipes branched in two directions from the tip of the water supply pipe and arranged in the horizontal direction. Branch pipes, a pair of bent pipes whose ends are closed by bending in the direction of the bases of the water supply pipes from the tips of the respective branch pipes, respectively, and at the base of the water supply pipes. A plurality of liquid fertilizer supply units that are provided to flow the liquid fertilizer from the liquid fertilizer feeder into the water supply pipe, and a plurality of liquid fertilizer mixed water that are respectively provided to the branch pipe and the bent pipe to flow out to the field It is characterized by having a water supply hole for mixing liquid fertilizer.

Furthermore, the water supply source is a water supply basin provided at the end of the field, the water supply pipe is arranged in the central portion of the flow of water supplied from the water supply basin to the field, at least one It is characterized in that part of the water flows into the water supply pipe.

According to the liquid fertilizer supply device of the present invention, the liquid fertilizer feeder capable of setting the supply amount of the liquid fertilizer is integrally formed with the liquid fertilizer storage part and the liquid fertilizer downflow pipe, and the flow rate setting part is provided on the outer surface. Therefore, the fertilization work on the field can be efficiently performed, and the workability can be significantly improved. Further, by supplying the liquid fertilizer to the water supply pipe having liquid fertilizer mixing water supply holes at a plurality of locations, it is possible to reliably mix the water and the liquid fertilizer, and the liquid fertilizer mixing water to the entire field. Can be effectively supplied.

It is a section side view showing an example of one form of a liquid fertilizer feeder of the present invention. Similarly, it is a top view.

1 and 2 show an example of one embodiment of the liquid fertilizer supply device of the present invention. The liquid fertilizer supply device 11 shown in the present embodiment serves as a liquid fertilizer supply source 12 for supplying liquid fertilizer. The liquid fertilizer supplied from the liquid fertilizer supply source 12 and the water supply supplied from the water supply source 13 And are mixed and supplied to the field 14. The water supply source 13 is a water supply box 16 provided on the farm field 14 side of a farm road 15 along one side of the field 14, and inside the water supply box 16 water supply from a water supply pipe (not shown) is provided. A water supply valve 17 for controlling the supply amount is provided. Further, a water supply opening 18 is provided on the farm field 14 side of the water supply basin 16, and by opening the water supply valve 17, the water supplied from the water supply pipe passes through the water supply opening 18 from the inside of the water supply basin 16. It is formed so as to be supplied to the field 14.

When supplying the liquid fertilizer to the farm field 14, the liquid fertilizer supply device 11 is installed on the farm road 15 adjacent to the water supply basin 16, and the liquid fertilizer mixing water supply device 19 is provided at the water supply opening 18 of the water supply basin 16. Is installed, and the liquid fertilizer supply source 12 and the liquid fertilizer mixing water supplier 19 are connected by the liquid fertilizer supply pipe 20.

The liquid fertilizer supply device 11 serving as the liquid fertilizer supply source 12 includes a liquid fertilizer supply device 21 capable of setting the supply amount of liquid fertilizer. As the liquid fertilizer feeder 21, for example, the liquid fertilizer feeder described in Patent Document 1 can be used. That is, a liquid fertilizer storage tank is provided below the tubular container 21a, a liquid fertilizer introduction hole 21b is provided above the liquid fertilizer storage tank, and the liquid level in the liquid fertilizer storage tank rises in the liquid fertilizer storage tank. A float valve element for closing the liquid fertilizer introduction hole to keep the liquid level in the liquid fertilizer storage tank constant when the liquid fertilizer storage tank is opened, and connecting the base end of the liquid fertilizer discharge pipe 21c to the bottom of the liquid fertilizer storage tank Then, by adjusting the height of the tip of the liquid fertilizer outlet pipe 21c, a liquid fertilizer supply device capable of setting the amount of liquid fertilizer to be delivered from the liquid fertilizer storage tank via the liquid fertilizer outlet pipe 21c is provided. It can be used as the liquid fertilizer feeder 21 of the invention.

The liquid fertilizer feeder 21 is arranged inside a cylindrical body 22 having a diameter larger than the outer diameter of the liquid fertilizer feeder 21 and higher than the height of the liquid fertilizer feeder 21. Inside the tubular body 22, a partition plate 23 for partitioning the tubular body 22 into upper and lower parts is provided above the liquid fertilizer feeder 21, and below the partition plate 23, the liquid fertilizer feeder 21 is provided. Is formed, and a liquid fertilizer reservoir 25 for storing a predetermined amount of liquid fertilizer is formed in the upper half of the tubular body 22 which is the upper part of the partition plate 23. There is. Further, the partition plate 23 is provided with a liquid fertilizer flow-down pipe 26 for causing the liquid fertilizer stored in the liquid fertilizer storage section 25 to flow down toward the liquid fertilizer introducing hole of the liquid fertilizer feeder 21. As a result, it is not necessary to separately prepare a storage tank for supplying liquid fertilizer or a connection pipe and attach or detach the connection pipe, and workability can be improved.

A flow rate setting unit 27 for setting the amount of liquid fertilizer supplied from the liquid fertilizer feeder 21 to the liquid fertilizer supply pipe 20 is provided on the outer peripheral surface of the tubular body 22. The flow rate setting unit 27 is provided with a liquid volume setting pipe 28 having connection ports at a plurality of vertical positions inside the tubular body 22, and the three connection ports above are the liquid fertilizers. Connection ports 28a, 28b, 28c of the outlet pipe 21c are provided, and a connection port at the bottom is a connection port 28d of the liquid fertilizer supply pipe 20. Therefore, if the liquid fertilizer outlet pipe 21c is connected to the upper connection port 28a, the liquid fertilizer supply amount can be reduced, and if it is connected to the lower connection port 28c, the liquid fertilizer supply amount can be reduced.

On the other hand, in the liquid fertilizer mixing water feeder 19, a water feeding pipe 29 having a base portion inserted into the water feeding basin 16 and a tip end side disposed from the water feeding opening 16 toward the farm field 13, and the water feeding pipe 29. And a pair of left and right branch pipes 30, 30 which are arranged in a horizontal direction by branching in two directions in a T-shape from the tip of each of the branch pipes 30, 30 from the tip of each branch pipe 30, 30 toward the base of the water supply pipe 29, respectively, and , A pair of bent pipes 31 and 31 that are bent in a direction along the water supply pipe 29 and have their ends closed, and supply the liquid fertilizer from the liquid fertilizer feeder 21 to the water supply provided at the base of the water supply pipe 29. A liquid fertilizer supply part 29a to which the liquid fertilizer supply pipe 20 for flowing into the pipe 29 is connected, and a plurality of liquid fertilizer mixtures provided on the peripheral walls of the branch pipes 30, 30 and the bent pipes 31, 31 respectively. Water supply holes 32, 32 are provided. The plurality of liquid fertilizer mixing water supply holes 32 are provided in a direction parallel to the flow direction of the water from the water supply opening 16 to the field 13 and in a direction orthogonal to the direction of the water flow. An appropriate number is provided with an appropriate diameter according to conditions such as the caliber, the supply amount of water, the supply amount of liquid fertilizer, and the size of the field. Further, the bending pipes 31, 31 are set to be located outside the water supply opening 16, and the flow of the water in the linear direction from the water supply opening 16 toward the field 14 is the liquid fertilizer of the bending pipe 31. The flow of liquid fertilizer mixing water from the mixing water supply hole 32 in the left-right direction is not adversely affected.

In the liquid fertilizer supply apparatus 11 thus formed, after the liquid fertilizer mixing water supplier 19 is arranged at a predetermined position, the liquid fertilizer supply pipe 20 from the connection port 28d is connected to the liquid fertilizer supply unit 29a, and the liquid fertilizer is introduced into the water. The liquid fertilizer outlet pipe 21c is connected to one of the flow rate connection ports 28a, 28b, 28c in accordance with the mixing ratio of the liquid fertilizer, and the liquid fertilizer in which the fertilizer component is dissolved is charged into the liquid fertilizer storage section 25, A constant flow rate of liquid fertilizer can be supplied to the fertilizer mixing water supplier 19. By opening the water supply valve 16 in this state, the water for mixing liquid fertilizer can be supplied from the water supply box 16 to the field 14.

At this time, the water flowing out from the water supply opening 18 is dispersed in the flow direction by the branch pipe 30 and the bent pipes 31 on both sides which are arranged in a direction orthogonal to the outflow direction, and the water flows from the liquid fertilizer mixing water supply hole 32. It is supplied to the field 14 while being divided into the frontal direction and the left and right sides together with the outflowing liquid fertilizer mixing water. As a result, the liquid fertilizer is prevented from flowing in one direction in a concentrated manner, and it is possible to supply the water in a state in which a predetermined amount of the liquid fertilizer is mixed, in an average state over the entire field 14.

Furthermore, since each member of the liquid fertilizer supply device 11 can be formed of a lightweight material such as a synthetic resin pipe, the liquid fertilizer can be easily transported to and installed in the intended field 14, and one liquid fertilizer is used. The supply device 11 can easily handle the supply of fertilizer to a plurality of fields. Further, since the liquid fertilizer feeder 21 can set the liquid fertilizer supply amount by the connection position of the liquid fertilizer outlet pipe 21c to the connection ports 28a, 28b, 28c, the liquid fertilizer supply source 12 is mounted on the carrier bed of the carrier vehicle. It is possible to supply a certain amount of liquid fertilizer as it is. Therefore, the movement from the field to the field is performed only by moving the liquid fertilizer mixing water supplier 19, and the fertilizer can be supplied to a plurality of fields very easily. In addition, since the connection ports 28a, 28b, 28c that serve as flow rate setting portions are provided on the outer surface of the tubular body, the supply amount of liquid fertilizer can be easily adjusted. In particular, by providing the liquid fertilizer feeder 21 and the liquid fertilizer storage unit 25 integrally, another liquid fertilizer storage tank is provided, or this liquid fertilizer storage tank is connected to the liquid fertilizer supply source or the liquid fertilizer supply device by a connection hose. You don’t have to

The structure of the water supply source is not particularly limited, and may be provided via a weir plate between the water supply passage and the water supply source and has a function of performing water supply/drainage for adjusting the water level. It may be.

11... Liquid fertilizer supply device, 12... Liquid fertilizer supply source, 13... Water supply source, 14... Farm field, 15... Farm road, 16... Water supply box, 17... Water supply valve, 18... Water supply opening, 19... Liquid manure mixing water Supply device, 20... Liquid fertilizer supply pipe, 21... Liquid fertilizer supply device, 21a... Cylindrical container, 21b... Liquid fertilizer introduction hole, 21c... Liquid fertilizer discharge pipe, 22... Cylindrical body, 23... Partition plate, 24... Liquid fertilizer feeder accommodation section, 25... Liquid fertilizer storage section, 26... Liquid fertilizer downflow tube, 27... Flow rate setting section, 28... Liquid quantity setting tube, 28a, 28b, 28c, 28d... Connection port, 29... Water supply tube , 29a... Liquid fertilizer supply part, 30... Branch pipe, 31... Bent pipe, 32... Liquid fertilizer mixing water supply hole

Claims (4)

In the liquid fertilizer supply device, which mixes liquid fertilizer supplied through a liquid fertilizer supply device capable of setting the supply amount of liquid fertilizer with water supplied from a water supply source, and supplies the same to a field, the liquid fertilizer supply The vessel is arranged inside a tubular body having a diameter larger than the outer diameter of the liquid fertilizer feeder and higher than the height of the liquid fertilizer feeder, and the tubular body has a tubular shape at an upper portion of the liquid fertilizer feeder. A partition plate for partitioning the body into upper and lower parts is provided, and a liquid fertilizer storage part for storing liquid fertilizer is provided in a cylindrical body above the partition plate, and the partition plate has a liquid stored in the liquid fertilizer storage part. A liquid fertilizer flow-down pipe that causes fertilizer to flow down to the liquid fertilizer feeder is provided, and a flow rate setting unit that sets the flow rate of the liquid fertilizer supplied from the liquid fertilizer feeder is provided on the outer surface of the tubular body. A liquid fertilizer supply device characterized in that A liquid fertilizer mixing water supplier for supplying liquid fertilizer mixing water in which the water and the liquid fertilizer are mixed toward the field is provided, and the liquid fertilizer mixing water supplier is provided from the water supply source to the field. Direction, a water supply pipe disposed in the direction, a liquid fertilizer supply unit that is provided at the base of the water supply pipe and causes liquid fertilizer supplied from the liquid fertilizer supply device to flow into the water supply pipe, and the water supply pipe 2. The liquid fertilizer supply apparatus according to claim 1, further comprising: a liquid fertilizer mixture water supply hole which is provided at a plurality of positions on a tip end portion and a side surface of the liquid fertilizer mixture and which allows the liquid fertilizer mixture water to flow out to a field. A liquid fertilizer mixing water supplier for supplying liquid fertilizer mixing water in which the water and the liquid fertilizer are mixed toward the field is provided, and the liquid fertilizer mixing water supplier is in the direction of the field from the water source. Water supply pipes that are arranged toward each other, a pair of branch pipes that are branched in two directions from the tip of the water supply pipe and are arranged in the horizontal direction, and the directions of the bases of the water supply pipes from the tips of the respective branch pipes. In addition, and, a pair of bent pipes that are bent in the direction along the water supply pipe and the tip is closed, and liquid fertilizer from the liquid fertilizer feeder provided at the base of the water fertilizer supply pipe in the water supply pipe. It has a liquid fertilizer supply part for inflowing, and a plurality of liquid fertilizer mixing water supply holes which are respectively provided in the branch pipe and the bent pipe and allow the liquid fertilizer mixing water to flow out to a field. Item 1. The liquid fertilizer supply apparatus according to item 1. The water supply source is a water supply basin provided at the end of the field, the water supply pipe is arranged in the central portion of the flow of water supplied from the water supply basin to the field, at least a part of 4. The liquid fertilizer supply device according to claim 2, wherein the water flows into the water supply pipe.

Images